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3 years ago

Cones and prisms both have only one base. A.)True B.)False

Mathematics

2 answers:

qwelly [4]3 years ago

9 0

Answer:

The answer is False

Step-by-step explanation:

APEX

Brilliant_brown [7]3 years ago

3 0

Cones only have one base

Prisms may have more than one base

Triangular prisms only have one base, but rectangular prisms have two bases

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20 is what percent of 100

Gemiola [76]

20 would be 20% of 100.

Just like 67.67 would be 67.67% of 100.

:)

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3 years ago

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A pilot spots the airport at an angle of depression of 16°. The plane is flying at an altitude of 9,000 ft. What is the ground d

antiseptic1488 [7]

Answer:

$31,387\:\text{ft}$

Step-by-step explanation:

We can form a right triangle using the plane, the airport, and ground and use basic trig for a right triangle to solve this problem.

In a right triangle, $\tan\theta=\frac{\text{opp}}{\text{adj}}$ . Therefore, we have the following equation, where $x$ is ground distance between the plane and the airport:

$\tan 16^{\circ}=\frac{9,000}{x},\\x=\frac{9,000}{\tan 16^{\circ}},\\x\approx \boxed{31,387\:\text{ft}}$ .

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3 years ago

Increase £120 by 25%

alekssr [168]

120 * 0.25 = 30
120 + 30 = £150

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3 years ago

Please find the derivative of <img src="https://tex.z-dn.net/?f=%5Cdisplaystyle%20%5Cfrac%7Be%5E%7B%5Cfrac%7B3%7D%7Bx%7D%7D%7D%7

sesenic [268]

Hello! :)

$\large\boxed{\frac{-e^{\frac{3}{x}} (3 + 2x )}{x^{4}}}$

Find the derivative using the quotient rule:

$\frac{f(x)}{g(x)} = \frac{g(x) * f'(x) - f(x) * g'(x)}{(g(x))^{2}}$

In this instance:

$f(x) = e^{\frac{3}{x} }\\\\g(x) = x^{2}$

Use the following properties to find the derivative of f(x) and g(x):

$e^{u} = u' * e^{u}\\\\x^{n} = nx^{n-1}$

Use the quotient rule:

$\frac{x^{2} * (e^{\frac{3}{x}} * (-3x^{-2})) - e^{\frac{3}{x}} * 2x }{(x^{2} )^{2}}$

Simplify the numerator:

$\frac{(e^{\frac{3}{x}} * (-3)) - e^{\frac{3}{x}} * 2x }{(x^{2} )^{2}}$

Factor out $e^{\frac{3}{x}}$

$\frac{e^{\frac{3}{x}} (-3 - 2x )}{x^{4}}$

Factor out -1 from the numerator:

$\frac{-e^{\frac{3}{x}} (3 + 2x )}{x^{4}}$

And we're done! Thanks for posting the question to my 1000th answer!

7 0

3 years ago

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50 POINTS AND BRAINLIEST!!!!!!

Ray Of Light [21]

I would invest $500 to be compounded as Compound Interest is $1,540,250 while Simple Interest is $50.

<u>Step-by-step explanation:</u>

Step 1:

Calculate simple interest in the first case. Given details are Principal (P) = $500, Rate (R) = 5% and Time (T) = 2 years

⇒ Simple Interest (SI) = PRT/100 = 500 × 5 × 2/100 = $50

Step 2:

Calculate compounded interest for the second case. Given details are Principal (P) = $500, Interest rate (r) = 3%, Number of times it is compounded (n) = 12, time (t) = 2 years

⇒ Compound Interest (CI) = [P (1 + r/n)^n × t] - P

⇒ CI = [500 (1 + 3/12)^12 × 3] - 500

⇒ CI = [500 (1 + 1/4)^36] - 500

⇒ CI = [500 (5/4)^36] - 500

⇒ CI = [500 × 3081.5] - 500 = 1540750 - 500

⇒ CI = $1,540,250

8 0

3 years ago